100_rolling-upgrade.yml

---
- name: "AT Computing - HashiCorp Demo - Rolling upgrade"
  hosts: servers
  become: true
  serial: 1

  vars_files:
    - vars/hashicorp/general.yml
    - vars/hashicorp/vault.yml
    - vars/hashicorp/ssl.yml

  vars:
    product_name: "consul"
    product_port: 8500
    product_delay: 10

  tasks:
    - name: Update apt cache.
      ansible.builtin.apt:
        update_cache: true
        cache_valid_time: 3600

    - name: Update the binary.
      ansible.builtin.apt:
        name: "{{ product_name }}"
        state: present
      notify:
        - Restart service
        - Wait for it

  handlers:
    - name: Restart service
      ansible.builtin.service:
        name: "{{ product_name }}"
        state: restarted

    - name: Wait for it
      ansible.builtin.wait_for:
        port: "{{ product_port }}"
        delay: "{{ product_delay }}"